Causes Of Heart Attack and Stroke

The risk factors for heart attack are:
Smoking, or Exposure To Secondhand Smoke
Smoking or long term exposure to secondhand smoke increases the risk for coronary heart disease (CHD) in both men and women. Smoking produces carbon dioxide which robs the blood of oxygen, and begins the buildup of plaque in the arteries. Smoking also increases the risk for clots formation that can block arteries narrowed by plaque, and cause heart attack.
High Blood Cholesterol and High Triglycerides Levels
Cholesterol travels in the bloodstream in two types of lipoproteins. Low-density lipoprotein (LDL) and high-density lipoprotein (HDL) cholesterol. LDL cholesterol carries cholesterol to your tissues, including the heart arteries. HDL cholesterol takes cholesterol away from your tissues and heart arteries. Triglycerides, a type of fat found in the blood, contributes to plaque formation in the heart arteries. High levels of LDL cholesterol and triglycerides in the blood increase the risk for coronary heart disease.
High Blood Pressure
High blood pressure is the force against the walls of the arteries as the heart pumps blood through the body. A blood pressure higher than 120/80 mmHg in men and women increases the risk for coronary heart disease. Those with diabetes, or chronic kidney disease should talk with their doctors to find their healthy blood pressure levels, which may be different from the average levels.
Unhealthy Diet
Foods and drinks high in saturated, trans fats and cholesterol can raise the LDL cholesterol level. Diets high in sodium can also increase the risk for high blood pressure. High sugar and alcohol consumption can increase weight gain and the risk for coronary heart disease.
Stress, Depression and Anemia
Stress can cause the coronary arteries to narrow, raise the blood pressure, and cause heart attack. Depression and anemia are also known to contribute to coronary heart disease.
Other Causes For Heart Disease
Other risk factors for coronary heart diseases include, diabetes and prediabetes, overweight and obesity, metabolic syndromes, sleep apnea, aging, menopause, family history and preeclampsia.

Causes of Stroke
All the risk factors for heart attack also apply to stroke, except that for stroke the narrowing and blockage occur in the carotid arteries, which supply oxygen and glucose-rich blood to the brain. Without oxygen and glucose, resulting from blockage of the carotid arteries (stroke), the brain will suffer irreparable damage within 3 - 5 minutes.

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